Take action on climate change at . “Climate change is the defining issue of our time. History is defined by moments when people rise up and...

Take action on climate change at . Our descendants own the future, but the decisions and actions we make now will tremendously impact generations to...

Visit to get our entire library of TED Talks, transcripts, translations, personalized talk recommendations and more. We need to think beyond national...

Take action on climate change at . Over the next 200 years, we can expect all of the Earth’s glaciers to disappear — unless we act now...